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EP3864248A1 - An insulated glazing unit - Google Patents

An insulated glazing unit

Info

Publication number
EP3864248A1
EP3864248A1 EP19798129.3A EP19798129A EP3864248A1 EP 3864248 A1 EP3864248 A1 EP 3864248A1 EP 19798129 A EP19798129 A EP 19798129A EP 3864248 A1 EP3864248 A1 EP 3864248A1
Authority
EP
European Patent Office
Prior art keywords
bottom member
base
glazing unit
insulated glazing
guide means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19798129.3A
Other languages
German (de)
French (fr)
Other versions
EP3864248B1 (en
Inventor
Giovanni Nicolosi
Alessandro Pellini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pellini SpA
Original Assignee
Pellini SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pellini SpA filed Critical Pellini SpA
Publication of EP3864248A1 publication Critical patent/EP3864248A1/en
Application granted granted Critical
Publication of EP3864248B1 publication Critical patent/EP3864248B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • E06B2009/2643—Screens between double windows

Definitions

  • the present invention relates to an improved insulated glazing unit as defined in the preamble of claim 1.
  • a double-glazing unit is known to find application in windows of dwellings or, more generally, windows of buildings to ensure thermal insulation of the indoor environment from the outdoor environment.
  • Insulated glazing units are known in the art, which comprise a frame and two or more panes of glass that are hermetically fixed to the frame to define a closed volume.
  • Such closed volume may conventionally accommodate a tent, e.g. Venetian or pleated blind.
  • the blind comprises a plurality of slats interposed between a bottom member and a top member of the frame.
  • the plurality of slats, the bottom member and the top member are connected to one another by means of at least one set of cords and ladders that can move the slats both vertically and about an axis of symmetry of the slats.
  • the blind is attached to the cross member of the frame, and the bottom member is configured to reversibly slide from the top member to the base of the frame.
  • the Venetian blind is configured to alternate between a raised position and a lowered position and a number of intermediate positions.
  • the bottom member and the plurality of slats are compacted together at the cross member, thereby allowing the passage of light through the panes of glass.
  • the bottom member is located at the base.
  • the plurality of slats is arranged substantially along the entire space between the top member and the bottom member of the frame.
  • the slats may assume various configurations between two extremes, which include an open configuration and a screening configuration.
  • the slats In the open configuration, the slats assume a position that is substantially perpendicular to the panes of glass. In this open configuration, light may pass between the slats.
  • the slats are oriented substantially parallel to the panes of glass in partially overlapping relationship. Hence, the slats are arranged to block the passage of the light in the space between the top member and the bottom member.
  • the bottom member rests on the base.
  • the cords of the blind are loosened, as they are no longer tensioned by the weight of the bottom member.
  • the slats are not properly arranged.
  • the slats in the proximity of the bottom member are not uniformly arranged within the insulated glazing unit and are no longer in overlapping relationship.
  • the slats in the proximity of the bottom member are spaced apart. Therefore, light can pass between the slats proximate to the bottom member.
  • the ladders may be interposed between the slats. Therefore, the ladders do not allow proper overlapping of the slats. Therefore, light can pass between the slats.
  • the technical purpose of the present invention is to provide an insulated glazing unit that can obviate the aforementioned prior art drawbacks.
  • the object of the present invention is to provide an insulated glazing unit that allows proper positioning of the slats proximate to the base of the insulating glazing unit in the screening configuration.
  • an insulated glazing unit that comprises the technical features as disclosed in one or more of the accompanying claims.
  • the insulated glazing unit solves the technical problem, by causing the bottom member to tilt as soon as the bottom member comes proximate to the base of the frame.
  • the tilt of the bottom member of the blind accordingly causes the slats to rotate proximate to the bottom member.
  • the slats are arranged with no gaps or spaces between the slats, thereby preventing the passage of light, and ensuring proper screening by the blind.
  • the tilting movement of the bottom member is independent of the length of the ladders, which affords greater freedom in setting ladder length.
  • FIG. 1 is a perspective view of an insulated glazing unit of the present invention
  • FIG. 2 is a perspective view of a bottom side detail of the insulated glazing unit of Figure 1 ;
  • FIG. 3a is a sectional side view of a detail of a bottom side detail of the insulated glazing unit of Figure 1, in a first operating configuration
  • FIG. 3b is a sectional side view of a detail of a detail of the insulated glazing unit of Figure 1, in a second operating configuration
  • FIG. 3 c is a sectional side view of a detail of a detail of the insulated glazing unit of Figure 1, in a third operating configuration
  • FIG. 3d is a sectional side view of a detail of a detail of the insulated glazing unit of Figure 1, in a fourth operating configuration
  • FIG. 4 is a perspective view of a detail of an insulated glazing unit of the present invention according to a second embodiment.
  • FIG. 5 is a sectional side view of a detail of the insulated glazing unit of Figure 4.
  • numeral 1 designates an insulating glazing unit designed for use in windows of buildings, to ensure thermal insulation of the indoor environment from the outdoor environment.
  • the insulated glazing unit 1 comprises a frame 12.
  • This frame 12 comprises a base 13, a cross member 15 placed above the base 13 and two upright members 14 for connection between the cross member 15 and the base 13.
  • the base 13 has two opposite ends 131.
  • the two upright members 14 are connected to the base 13 at the ends 131 of the base 13.
  • each upright member 14 is connected to one respective end 131 of the base 13.
  • the cross member 15 has two opposite ends 151. Each of the two ends 151 of the cross member 15 is located above one respective end 131 of the base 13.
  • the two upright members 14 are connected to the cross member 15 at the ends 151 of the cross member 15. In other words, each upright member 14 is connected to one respective end 151 of the cross member 15.
  • the base 13 and the cross member 15 are parallel and opposite to each other.
  • the two upright members 14 for connection of the base 13 and the cross member 15 are also parallel and opposite to each other.
  • the insulated glazing unit 1 comprises at least two at least partially transparent panes, which are applied to the frame 12.
  • the at least two panes are in mutually facing and parallel relationship.
  • the at least two panes are preferably made of glass and are completely transparent.
  • panes of glass While two panes of glass are used in one embodiment, three or four panes of glass may be also provided.
  • the at least two panes are applied to the frame 12 in air-tight fashion, for instance to contain gas, thereby defining a hermetically sealed inner volume 18.
  • the insulated glazing unit 1 comprises a light ray shielding device 2 placed in the volume 18 as well as drive means to drivethe light ray shielding device up and/or down.
  • the light ray shielding device 2 comprises a plurality of slats 21 and a bottom member 22. The slats are connected to each other and to the bottom member 22.
  • the light ray shielding device 2 is embodied by a Venetian blind.
  • the drive means comprise support means attached to the cross member 15, such as a box 23
  • the box 23 receives, as is known per se, a shaft which is coupled to an electric motor and its electronics to cause movement of the light ray shielding device 2 (not shown.
  • the shaft in the box 23 is connected to the slats 21 and the bottom member 22 by means of cords and ladders, also in a well-known manner, that will not be disclosed herein.
  • the plurality of slats 21, the bottom member 22 and the box 23 extend between the two upright members 14 of the frame 12.
  • the bottom member 22 of the light ray shielding device 2 has two opposite ends 221. In particular, such ends 221 are placed proximate to the upright members 14 of the frame 12.
  • the light ray shielding device 2 is adapted to alternate between a raised position and a deployed position.
  • the bottom member 22 In the deployed position the bottom member 22 is placed proximate to the base 13 of the insulated glazing unit 1. In particular, in the deployed position the bottom member 22 is spaced apart from the box 23, whereas the slats 21 span the space between the bottom member 22 and the box 23. In other words, in the deployed position the slats 21 span substantially the entire space between the cross member 15 and the base 13 of the frame 12. It shall be noted that the aforementioned drive means are adapted to alternate the light ray shielding device 2 between the raised position and the deployed position.
  • the light ray shielding device 2 may assume a series of intermediate positions between the raised position and the deployed position.
  • the bottom member 22 is located in an intermediate position between the base 13 and the box 23.
  • the bottom member 22 is spaced apart from both the base 13 and the box 23.
  • some of the slats 21 are compacted at the box 23, whereas the rest of the slats 23 span the space between the bottom member 22 and the box 23.
  • the slats 21 may alternate between an open configuration and a screening configuration.
  • the slats 21 are substantially perpendicular to the panes. In addition, the slats are spaced apart from each other and in this configuration, light is allowed to pass between the slats 21.
  • the slats are in a partially overlapping relationship.
  • the partial overlapping relationship of the slats 21 blocks the passage of light in the space between the bottom member22 and the box 23 of the light ray shielding device.
  • the bottom member 22 of the light ray shielding device 2 is configured to alternate between a first configuration and a second configuration.
  • the bottom member 22 in the first configuration, can slide toward/away from the base 13 thereby defining a slide direction X.
  • the bottom member 22 in the second configuration is proximate to the base 13 and is tilted with respect to the slide direction X. It shall be noted that, in the first configuration, the bottom member 22 can reversibly slide from the box 23 toward the base 13 of the frame 12, in particular to alternate the light ray shielding device 2 from the raised position to the deployed position.
  • the slats 21 connected thereto are deployed.
  • the bottom member 22 is tilted with respect to the slide direction X by a predetermined angle. In other words, the bottom member 22 is rotated about an axis Y ( Figure 4) of the bottom member 22 perpendicular to the slide direction X.
  • the tilt of the bottom member 22 with respect to the slide direction X causes the slats 21 to partially overlap proximate to the bottom member 22 in the screening configuration of the slats 21.
  • the partial overlapping relationship of the slats 21 blocks the passage of light.
  • the insulated glazing unit 1 further comprises first stationary guide means 24 located at the base 13 of the insulated glazing unit 1 ( Figures 2 and 4). More in detail, the first guide means 24 are configured to be located at least at one end 131 of the base 13 of the insulated glazing unit 1.
  • first guide means 24 are fixed to the upright members 14 of the frame 12.
  • first guide means 24 are fixed to the upright members 14 at the end 131 of the base 13.
  • the insulated glazing unit 1 further comprises second moving guide means 25 located on the bottom member 22 of said light ray shielding device 2. More in detail, the second guide means 25 are located at least at one of the ends 221 of the bottom member 22
  • the first 24 and the second guide means 25 are configured to contact each other when the light ray shielding device 2 is in the deployed position and to alternate the bottom member 22 from the first configuration to the second configuration.
  • the mutual sliding movement between the first 24 and the second guide means 25 causes the bottom member 22 to alternate from the first configuration to the second configuration, thereby allowing the bottom member to rotate about an axis of symmetry.
  • the first guide means 24 comprise at least one recess 31 and the second guide means 25 comprise at least one pin 32 fixed to the bottom member 22.
  • the pin 32 is configured to move relative to the base 13 of the insulated glazing unit 1 and to slide in the recess 31.
  • the recess 31 remains stationary, whereas the pin 32 slides in the recess 31.
  • the pin 32 is fixed at one of the ends 221 of the bottom member 22. Further in detail, the pin 32 is placed below the center of gravity of the bottom member 22. Preferably, the pin 32 is placed at a plane of symmetry of one end 221 of the bottom member 22 at a predetermined distance from the center of gravity of the bottom member 22
  • this recess 31 has a profile 50 with a first section 311 tilted with respect to the slide direction X of the bottom member 22.
  • This first section 311 is configured to contact the pin 32 when the light ray shielding device 2 is in the deployed condition and to guide the sliding movement of such pin 32 in the recess 31. In other words, the first section 311 is below the pin 32 during the sliding movement of the blind 2.
  • the first section 311 and the second section 312 are tilted relative to each other.
  • a connecting section 313 connects the first portion 311 and the second portion 312 of the profile.
  • the connecting section 313 is substantially horizontal.
  • the second section 312 prevents the pin 32 from sliding past the connecting section 313. Therefore, this pin 32 is locked at the connecting section 313.
  • the first guide means 24 preferably comprise a pair of pins 32 and the second guide means comprise a pair of recesses 31.
  • Each pin 32 is located at one respective end 221 of the bottom member 22, whereas each recess 31 is located at one respective end 131 of the base 13. Therefore, each pin 32 is configured to slide in the corresponding recess 31.
  • the first guide means 24 comprise at least one pin 42 and the second guide means 25 comprise at least one recess 41.
  • the recess 41 is configured to move relative to the base 13 of the insulated glazing unit 1 and to slide around the pin 42.
  • the pin 42 remains stationary and the recess 41 slides around the pin 42. More in detail, the pin 42 is located at a predetermined distance from the plane of symmetry of one end 131 of the base 13.
  • the recess 41 As shown in Figures 4 and 5, it will be appreciated that it has a profile 60 with a first section 411 tilted with respect to the slide direction X of the bottom member 22. This first section 411 is configured to contact the pin 42 when the light ray shielding device 2 is in the deployed condition and to guide the sliding movement of the pin 42 in the recess 41.
  • the profile 41 has a second section 412 that is tilted to the slide direction X and is symmetric to the first section 411 of the bottom member 22 and a connecting section 413 between the first section 411 and the second section 412.
  • the first guide means 24 comprise a pair of recesses 41 and the second guide means comprise a pair of pins 42.
  • each recess 41 is located at one respective end 221 of the bottom member 22, whereas each pin 42 is located at one respective end 131 of the base 13. Therefore, each recess 41 is configured to slide around its respective pin 42.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Refrigerator Housings (AREA)
  • Window Of Vehicle (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

An insulated glazing unit (1) comprising a base (13), a cross member (15) placed above the base (13), two upright members (14) for connection between the cross member (15) and the base (13), at least two at least partially transparent panes that are applied to the frame (12), wherein the at least two panes and the frame (12) define a closed volume (18), a light ray shielding device (2) placed in the closed volume (18), and comprising a plurality of slats (21) connected to each other and to a bottom member (22), support means attached to the cross member (15) and operably associated with the light ray shielding device (2) for support thereof, first guide means (24) located at the base (13) of the frame (12), second guide means (25) located on the bottom member (22) of the light ray shielding device (2). The insulated glass unit is characterized in that the bottom member (22) is configured to alternate between a first configuration in which the bottom member (22) is able to slide toward/away from the base (13) and a second configuration in which the bottom member (22) is placed proximate to the base (13) and is tilted with respect to a slide direction (X), the first (24) and the second guide means (25) are configured to contact each other when the light ray shielding device (2) is in the deployed position and to alternate the bottom member (22) from the first configuration to the second configuration thereby affording guided rotation of the bottom.

Description

Title: "An insulated glazing unit"
DESCRIPTION
Field of the invention
The present invention relates to an improved insulated glazing unit as defined in the preamble of claim 1.
Background art
A double-glazing unit is known to find application in windows of dwellings or, more generally, windows of buildings to ensure thermal insulation of the indoor environment from the outdoor environment.
Insulated glazing units are known in the art, which comprise a frame and two or more panes of glass that are hermetically fixed to the frame to define a closed volume.
Such closed volume may conventionally accommodate a tent, e.g. Venetian or pleated blind. In the particular case of a Venetian blind, the blind comprises a plurality of slats interposed between a bottom member and a top member of the frame. The plurality of slats, the bottom member and the top member are connected to one another by means of at least one set of cords and ladders that can move the slats both vertically and about an axis of symmetry of the slats.
In the prior art, the blind is attached to the cross member of the frame, and the bottom member is configured to reversibly slide from the top member to the base of the frame.
In particular, the Venetian blind is configured to alternate between a raised position and a lowered position and a number of intermediate positions.
In the raised position the bottom member and the plurality of slats are compacted together at the cross member, thereby allowing the passage of light through the panes of glass. On the other hand, in the lowered position, the bottom member is located at the base. In the lowered position, the plurality of slats is arranged substantially along the entire space between the top member and the bottom member of the frame.
In each of the intermediate positions and in the lowered position, the slats may assume various configurations between two extremes, which include an open configuration and a screening configuration.
In the open configuration, the slats assume a position that is substantially perpendicular to the panes of glass. In this open configuration, light may pass between the slats.
Conversely, in the screening configuration, the slats are oriented substantially parallel to the panes of glass in partially overlapping relationship. Hence, the slats are arranged to block the passage of the light in the space between the top member and the bottom member.
Problem of the prior art
One drawback of this arrangement is that, in the lowered position and in the screening configuration, the bottom member of the blind does not ensure complete blocking of light perfect proximate to the base.
More in detail, in the lowered position the bottom member rests on the base. Thus, when the bottom member rests on the base, the cords of the blind are loosened, as they are no longer tensioned by the weight of the bottom member. As a result, the slats are not properly arranged.
More in detail, the slats in the proximity of the bottom member are not uniformly arranged within the insulated glazing unit and are no longer in overlapping relationship. In other words, the slats in the proximity of the bottom member are spaced apart. Therefore, light can pass between the slats proximate to the bottom member. Furthermore, in the lowered position the ladders may be interposed between the slats. Therefore, the ladders do not allow proper overlapping of the slats. Therefore, light can pass between the slats.
Object of the Invention
Therefore, the technical purpose of the present invention is to provide an insulated glazing unit that can obviate the aforementioned prior art drawbacks.
In particular, the object of the present invention is to provide an insulated glazing unit that allows proper positioning of the slats proximate to the base of the insulating glazing unit in the screening configuration.
SUMMARY OF THE INVENTION
The aforementioned technical purpose and objects are substantially fulfilled by an insulated glazing unit that comprises the technical features as disclosed in one or more of the accompanying claims.
With the present invention, the insulated glazing unit solves the technical problem, by causing the bottom member to tilt as soon as the bottom member comes proximate to the base of the frame.
Advantageously, the tilt of the bottom member of the blind accordingly causes the slats to rotate proximate to the bottom member. As a result, the slats are arranged with no gaps or spaces between the slats, thereby preventing the passage of light, and ensuring proper screening by the blind.
In addition, the tilting movement of the bottom member is independent of the length of the ladders, which affords greater freedom in setting ladder length.
BRIEF DESCRIPTION OF FIGURES
Further features and advantages of the present invention will result more clearly from the illustrative, non-limiting description of a preferred, non-exclusive embodiment of an insulated glazing unit as shown in the annexed drawings, in which:
- Figure 1 is a perspective view of an insulated glazing unit of the present invention;
- Figure 2 is a perspective view of a bottom side detail of the insulated glazing unit of Figure 1 ;
- Figure 3a is a sectional side view of a detail of a bottom side detail of the insulated glazing unit of Figure 1, in a first operating configuration;
- Figure 3b is a sectional side view of a detail of a detail of the insulated glazing unit of Figure 1, in a second operating configuration;
- Figure 3 c is a sectional side view of a detail of a detail of the insulated glazing unit of Figure 1, in a third operating configuration;
- Figure 3d is a sectional side view of a detail of a detail of the insulated glazing unit of Figure 1, in a fourth operating configuration;
- Figure 4 is a perspective view of a detail of an insulated glazing unit of the present invention according to a second embodiment; and
- Figure 5 is a sectional side view of a detail of the insulated glazing unit of Figure 4.
DETAILED DESCRIPTION
The apparatus of the annexed figures shall be deemed to be schematically illustrated, not necessarily drawn to scale, and not necessarily representing the actual proportions of its parts.
Although this is not expressly shown, the individual features described with reference to each embodiment shall be intended as auxiliary and/or interchangeable with other features, as described with reference to other embodiments.
Referring to the accompanying figures, numeral 1 designates an insulating glazing unit designed for use in windows of buildings, to ensure thermal insulation of the indoor environment from the outdoor environment.
Particularly referring to Figure 1, the insulated glazing unit 1 comprises a frame 12. This frame 12 comprises a base 13, a cross member 15 placed above the base 13 and two upright members 14 for connection between the cross member 15 and the base 13.
More in detail, the base 13 has two opposite ends 131. The two upright members 14 are connected to the base 13 at the ends 131 of the base 13. In other words, each upright member 14 is connected to one respective end 131 of the base 13.
Likewise, the cross member 15 has two opposite ends 151. Each of the two ends 151 of the cross member 15 is located above one respective end 131 of the base 13. The two upright members 14 are connected to the cross member 15 at the ends 151 of the cross member 15. In other words, each upright member 14 is connected to one respective end 151 of the cross member 15.
Preferably, the base 13 and the cross member 15 are parallel and opposite to each other. As a result, the two upright members 14 for connection of the base 13 and the cross member 15 are also parallel and opposite to each other.
The insulated glazing unit 1 comprises at least two at least partially transparent panes, which are applied to the frame 12.
The at least two panes are in mutually facing and parallel relationship.
The at least two panes are preferably made of glass and are completely transparent.
While two panes of glass are used in one embodiment, three or four panes of glass may be also provided.
The at least two panes are applied to the frame 12 in air-tight fashion, for instance to contain gas, thereby defining a hermetically sealed inner volume 18.
The insulated glazing unit 1 comprises a light ray shielding device 2 placed in the volume 18 as well as drive means to drivethe light ray shielding device up and/or down. In particular, the light ray shielding device 2 comprises a plurality of slats 21 and a bottom member 22. The slats are connected to each other and to the bottom member 22. In a preferred embodiment of the present invention, the light ray shielding device 2 is embodied by a Venetian blind.
For the purposes hereof, it should be noted, also with reference to figure 1, that the drive means comprise support means attached to the cross member 15, such as a box 23
The box 23 receives, as is known per se, a shaft which is coupled to an electric motor and its electronics to cause movement of the light ray shielding device 2 (not shown.
In particular, the shaft in the box 23 is connected to the slats 21 and the bottom member 22 by means of cords and ladders, also in a well-known manner, that will not be disclosed herein.
In one aspect, the plurality of slats 21, the bottom member 22 and the box 23 extend between the two upright members 14 of the frame 12.
In one aspect the bottom member 22 of the light ray shielding device 2 has two opposite ends 221. In particular, such ends 221 are placed proximate to the upright members 14 of the frame 12.
It shall be noted that the light ray shielding device 2 is adapted to alternate between a raised position and a deployed position.
In the raised position the slats 21 and the bottom member 22 are compacted together. In other words, in the raised position the slats 21 and the bottom member 22 are compacted together at the box 23 applied to the cross member 15.
In the deployed position the bottom member 22 is placed proximate to the base 13 of the insulated glazing unit 1. In particular, in the deployed position the bottom member 22 is spaced apart from the box 23, whereas the slats 21 span the space between the bottom member 22 and the box 23. In other words, in the deployed position the slats 21 span substantially the entire space between the cross member 15 and the base 13 of the frame 12. It shall be noted that the aforementioned drive means are adapted to alternate the light ray shielding device 2 between the raised position and the deployed position.
It shall be noted that the light ray shielding device 2 may assume a series of intermediate positions between the raised position and the deployed position. In the intermediate positions, the bottom member 22 is located in an intermediate position between the base 13 and the box 23. In other words, the bottom member 22 is spaced apart from both the base 13 and the box 23. Furthermore, some of the slats 21 are compacted at the box 23, whereas the rest of the slats 23 span the space between the bottom member 22 and the box 23.
In the deployed position and in the intermediate positions the slats 21 may alternate between an open configuration and a screening configuration.
In the open configuration, the slats 21 are substantially perpendicular to the panes. In addition, the slats are spaced apart from each other and in this configuration, light is allowed to pass between the slats 21.
In the screening configuration the slats are in a partially overlapping relationship. The partial overlapping relationship of the slats 21 blocks the passage of light in the space between the bottom member22 and the box 23 of the light ray shielding device.
The bottom member 22 of the light ray shielding device 2 is configured to alternate between a first configuration and a second configuration.
Particularly referring to Figure 3a, in the first configuration, the bottom member 22 can slide toward/away from the base 13 thereby defining a slide direction X.
Particularly referring to Figure 3d, in the second configuration the bottom member 22 is proximate to the base 13 and is tilted with respect to the slide direction X. It shall be noted that, in the first configuration, the bottom member 22 can reversibly slide from the box 23 toward the base 13 of the frame 12, in particular to alternate the light ray shielding device 2 from the raised position to the deployed position.
Preferably, as the bottom member 22 slides, the slats 21 connected thereto are deployed.
In the second configuration, the bottom member 22 is tilted with respect to the slide direction X by a predetermined angle. In other words, the bottom member 22 is rotated about an axis Y (Figure 4) of the bottom member 22 perpendicular to the slide direction X.
Advantageously, as shown in Figures 2 and 4, the tilt of the bottom member 22 with respect to the slide direction X causes the slats 21 to partially overlap proximate to the bottom member 22 in the screening configuration of the slats 21. The partial overlapping relationship of the slats 21 blocks the passage of light.
The insulated glazing unit 1 further comprises first stationary guide means 24 located at the base 13 of the insulated glazing unit 1 (Figures 2 and 4). More in detail, the first guide means 24 are configured to be located at least at one end 131 of the base 13 of the insulated glazing unit 1.
More in detail, the first guide means 24 are fixed to the upright members 14 of the frame 12. In particular, the first guide means 24 are fixed to the upright members 14 at the end 131 of the base 13.
The insulated glazing unit 1 further comprises second moving guide means 25 located on the bottom member 22 of said light ray shielding device 2. More in detail, the second guide means 25 are located at least at one of the ends 221 of the bottom member 22
The first 24 and the second guide means 25 are configured to contact each other when the light ray shielding device 2 is in the deployed position and to alternate the bottom member 22 from the first configuration to the second configuration.
In other words, the mutual sliding movement between the first 24 and the second guide means 25 causes the bottom member 22 to alternate from the first configuration to the second configuration, thereby allowing the bottom member to rotate about an axis of symmetry.
In a first embodiment as shown in Figures 2, 3a, 3b, 3c and 3d, the first guide means 24 comprise at least one recess 31 and the second guide means 25 comprise at least one pin 32 fixed to the bottom member 22. The pin 32 is configured to move relative to the base 13 of the insulated glazing unit 1 and to slide in the recess 31.
In other words, the recess 31 remains stationary, whereas the pin 32 slides in the recess 31. More in detail, the pin 32 is fixed at one of the ends 221 of the bottom member 22. Further in detail, the pin 32 is placed below the center of gravity of the bottom member 22. Preferably, the pin 32 is placed at a plane of symmetry of one end 221 of the bottom member 22 at a predetermined distance from the center of gravity of the bottom member 22
Particularly referring to the recess 31 of Figures 2 and 3a, this recess 31 has a profile 50 with a first section 311 tilted with respect to the slide direction X of the bottom member 22. This first section 311 is configured to contact the pin 32 when the light ray shielding device 2 is in the deployed condition and to guide the sliding movement of such pin 32 in the recess 31. In other words, the first section 311 is below the pin 32 during the sliding movement of the blind 2.
An insulated glazing unit as claimed in claim 7, wherein the profile 50 of the recess 31 has a second section 312 substantially parallel to the slide direction X of the bottom member 22 and configured to lock the bottom member 22 in the second configuration. In other words, the first section 311 and the second section 312 are tilted relative to each other. More in detail, a connecting section 313 connects the first portion 311 and the second portion 312 of the profile. The connecting section 313 is substantially horizontal. The second section 312 prevents the pin 32 from sliding past the connecting section 313. Therefore, this pin 32 is locked at the connecting section 313.
In the embodiment of Figures 2-3d, the sliding movement of the pin 32 along the first section 311 of the profile 50 of the recess 31 causes the bottom member 22 to tilt.
In the embodiment of Figures 2, 3a, 3b, 3c and 3d, the first guide means 24 preferably comprise a pair of pins 32 and the second guide means comprise a pair of recesses 31. Each pin 32 is located at one respective end 221 of the bottom member 22, whereas each recess 31 is located at one respective end 131 of the base 13. Therefore, each pin 32 is configured to slide in the corresponding recess 31.
In a second embodiment as shown for example in Figures 4 and 5, the first guide means 24 comprise at least one pin 42 and the second guide means 25 comprise at least one recess 41. The recess 41 is configured to move relative to the base 13 of the insulated glazing unit 1 and to slide around the pin 42.
In other words, the pin 42 remains stationary and the recess 41 slides around the pin 42. More in detail, the pin 42 is located at a predetermined distance from the plane of symmetry of one end 131 of the base 13.
Particularly referring to the recess 41 as shown in Figures 4 and 5, it will be appreciated that it has a profile 60 with a first section 411 tilted with respect to the slide direction X of the bottom member 22. This first section 411 is configured to contact the pin 42 when the light ray shielding device 2 is in the deployed condition and to guide the sliding movement of the pin 42 in the recess 41.
Furthermore, the profile 41 has a second section 412 that is tilted to the slide direction X and is symmetric to the first section 411 of the bottom member 22 and a connecting section 413 between the first section 411 and the second section 412.
In the embodiment of Figures 4 and 5, the sliding movement of the first section 411 of the recess 41 around the pin 42 causes the bottom member 22 to tilt.
The contact between the second section 412 and the pin 42 locks the bottom member 22 in the second configuration. Therefore, in the second configuration of the bottom member 22, the pin 42 contacts the connecting section 413 and the second section 412.
Preferably, in the embodiment of Figures 4 and 5, the first guide means 24 comprise a pair of recesses 41 and the second guide means comprise a pair of pins 42.
Each recess 41 is located at one respective end 221 of the bottom member 22, whereas each pin 42 is located at one respective end 131 of the base 13. Therefore, each recess 41 is configured to slide around its respective pin 42.
Those skilled in the art will obviously appreciate that a number of changes and variants as described above may be made to fulfill particular requirements, without departure from the scope of the invention, as defined in the following claims.

Claims

1. An insulated glazing unit (1) comprising:
- a frame (12) comprising a base (13), a cross member (15) placed above the base (13) and two upright members (14) for connection between the cross member (15) and the base (13); - at least two at least partially transparent panes that are applied to the frame (12), said at least two panes and said frame (12) defining a closed volume (18);
- a light ray shielding device (2) arranged within said closed volume (18);
- support means mechanically connected to said cross member (15) and operably associated with said light ray shielding device (2) in supporting relationship thereto;
- said light ray shielding device (2) comprising a plurality of slats (21) and a bottom member (22), said slats (21) being connected to each other and to the bottom member (22), said light ray shielding device (2) being adapted to alternate between a raised position in which the slats (21) and the bottom member (22) are compacted together and a deployed position in which the bottom member (22) is placed proximate to said base (13);
characterized in that it comprises:
- first stationary guide means (24) located at said base (13) of said frame;
- second moving guide means (25) located on the bottom member (22) of said light ray shielding device (2);
wherein:
- the bottom member (22) is configured to alternate between a first configuration in which said bottom member (22) is able to slide toward/away from the base (13) thereby defining a slide direction (X), and a second configuration in which said bottom member (22) is placed proximate to the base (13) and is tilted to the slide direction (X);
- the first (24) and the second guide means (25) are configured to contact each other when said light ray shielding device (2) is in the deployed position and to alternate the bottom member (22) from the first configuration to the second configuration.
2. An insulated glazing unit as claimed in claim 1, wherein the bottom member (22) of the light ray shielding device (2) has two opposite ends (221), said second guide means (25) being located at least at one of said ends (221).
3. An insulated glazing unit as claimed in any of the claims 1 or 2, wherein said first guide means (24) are located at least at one end (131) of the base (13) of the insulated glazing unit (1).
4. An insulated glazing unit as claimed in any of the preceding claims, wherein the first guide means (24) comprise a recess (31) and the second guide means (25) comprise a pin (32) fixed to said bottom member (22), said pin (32) being configured to move relative to the base (13) of the insulated glazing unit (1) and to slide in the recess (31).
5. An insulated glazing unit as claimed in claim 4, wherein said pin (32) is placed below the center of gravity of the bottom member (22).
6. An insulated glazing unit as claimed in any of claims 1 to 3, wherein the first guide means (24) comprise a pin (42) and the second guide means (25) comprise a recess (41), said recess (41) being configured to move relative to the base (13) of the insulated glazing unit (1) and to slide around the pin (42).
7. An insulated glazing unit as claimed in any of claims 4 to 7, wherein the recess (31, 41) has a profile (50, 60) having a first section (311, 411) tilted to the slide direction (X) of the bottom member (22), said first section (311, 411) being configured to contact the pin (32,42) when the light ray shielding device (2) is in the deployed condition and to guide the sliding movement of said pin (32,42) in said recess (31.41).
8. An insulated glazing unit as claimed in claim 7, wherein the profile (50) of the recess (31) has a second section (312) substantially parallel to the slide direction (X) of the bottom member (22) and configured to lock the bottom member (22) in the second configuration.
9. An insulated glazing unit as claimed in claim 7, wherein the profile (60) has a second section (412) tilted to the slide direction (X) and symmetric to the first section (411) of the bottom member (22) and a connecting section (413) between the first section (411) and the second section (412).
10. An insulated glazing unit (1) as claimed in one in any of the preceding claims, wherein the first guide means (24) are fixed to the upright members (14).
EP19798129.3A 2018-10-11 2019-10-10 An insulated glazing unit Active EP3864248B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000009369A IT201800009369A1 (en) 2018-10-11 2018-10-11 Improved double glazing
PCT/IB2019/058657 WO2020075113A1 (en) 2018-10-11 2019-10-10 An insulated glazing unit

Publications (2)

Publication Number Publication Date
EP3864248A1 true EP3864248A1 (en) 2021-08-18
EP3864248B1 EP3864248B1 (en) 2023-03-22

Family

ID=64902284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19798129.3A Active EP3864248B1 (en) 2018-10-11 2019-10-10 An insulated glazing unit

Country Status (6)

Country Link
US (1) US11859445B2 (en)
EP (1) EP3864248B1 (en)
CN (1) CN112789389B (en)
IL (1) IL281205B (en)
IT (1) IT201800009369A1 (en)
WO (1) WO2020075113A1 (en)

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US5699845A (en) * 1996-09-25 1997-12-23 International Window Fashions, Inc. Magnetic tilt mechanism for Venetian blinds
IT1311863B1 (en) * 1999-09-23 2002-03-19 Berti Srl IMPROVED DEVICE FOR THE MOVEMENT OF VENETIAN BLINDS AFTER INTERIOR GLASS OR GLASS ROOMS
US6957680B2 (en) * 2000-02-08 2005-10-25 Hunter Douglas Inc. Framed covering for architectural opening
WO2004009942A1 (en) * 2002-07-22 2004-01-29 Pella Corporation Sliding operator for between the glass window coverings
US20060169418A1 (en) * 2002-07-22 2006-08-03 Pella Corporation Window covering leveling method
JP3951891B2 (en) * 2002-11-06 2007-08-01 オイレスＥｃｏ株式会社 Slat support member for blind device, slat support mechanism including the slat support member, and blind device including the slat support mechanism
JP4583957B2 (en) * 2005-02-10 2010-11-17 株式会社ニチベイ Blind bottom fixing structure
US20080029226A1 (en) * 2006-08-03 2008-02-07 Tai-Long Huang Window blind assembly having an outer frame
US20140020851A1 (en) * 2010-12-22 2014-01-23 Odl, Incorporated Insulated glass blind assembly
ITBO20110439A1 (en) * 2011-07-25 2013-01-26 Pellini Spa MOTORIZED CURTAIN GROUP
US9512672B2 (en) * 2012-11-19 2016-12-06 Hunter Douglas Inc. Covering for architectural openings with coordinated vane sets
CA2836920C (en) * 2012-12-17 2021-10-05 Sunrise Windows, Llc Venetian type blind operator
JP6254023B2 (en) * 2014-03-08 2017-12-27 立川ブラインド工業株式会社 Solar shading device
US10876353B2 (en) * 2017-06-09 2020-12-29 Odl, Incorporated Blind tilt adjustment assembly
EP3868018B1 (en) * 2018-10-17 2023-06-07 SUPSI (Scuola Universitaria Professionale Della Svizzera Italiana) Building-integrated photovoltaic apparatus, in particular for windows and the like, a method and a slat for said apparatus

Also Published As

Publication number Publication date
EP3864248B1 (en) 2023-03-22
US20210388672A1 (en) 2021-12-16
IL281205B (en) 2022-08-01
IL281205A (en) 2021-04-29
US11859445B2 (en) 2024-01-02
CN112789389A (en) 2021-05-11
WO2020075113A1 (en) 2020-04-16
IT201800009369A1 (en) 2020-04-11
CN112789389B (en) 2022-12-27

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